:root {
  --hansa-primary: #0d3b66;
  --hansa-primary-dark: #082944;
  --hansa-accent: #1b98e0;
  --hansa-success: #2a9d8f;
  --hansa-warning: #e9c46a;
  --hansa-danger: #e76f51;
  --hansa-sidebar-w: 250px;
  --hansa-bg: #f4f6fb;
}

body {
  background: var(--hansa-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #22303f;
}

/* ---------- Auth ---------- */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--hansa-primary) 0%, var(--hansa-primary-dark) 100%);
  padding: 1.5rem;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  border: none;
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(8, 41, 68, 0.35);
}
.auth-brand { text-align: center; margin-bottom: 1.25rem; }
.auth-brand .logo-badge {
  width: 58px; height: 58px; border-radius: 14px;
  background: var(--hansa-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.7rem; font-weight: 700;
}

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--hansa-sidebar-w);
  background: var(--hansa-primary-dark);
  color: #cdd9e5;
  position: fixed; top: 0; bottom: 0; left: 0;
  display: flex; flex-direction: column;
  z-index: 1030;
  transition: transform .2s ease;
}
.sidebar .brand {
  padding: 1.1rem 1.25rem;
  font-weight: 700; color: #fff; font-size: 1.05rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: .6rem;
}
.sidebar .brand .logo-badge {
  width: 34px; height: 34px; border-radius: 8px; background: var(--hansa-accent);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color:#fff;
}
.sidebar .nav-section {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .08em;
  color: #6f89a3; padding: 1rem 1.25rem .35rem;
}
.sidebar .nav-link {
  color: #cdd9e5; padding: .55rem 1.25rem; display: flex; align-items: center; gap: .65rem;
  border-left: 3px solid transparent; font-size: .92rem;
}
.sidebar .nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar .nav-link.active {
  background: rgba(27,152,224,.15); color: #fff; border-left-color: var(--hansa-accent);
}
.sidebar .nav-link i { width: 18px; text-align: center; }

.main-area { flex: 1; margin-left: var(--hansa-sidebar-w); min-width: 0; }
.topbar {
  background: #fff; border-bottom: 1px solid #e3e8f0;
  padding: .7rem 1.25rem; display: flex; align-items: center; gap: 1rem;
  position: sticky; top: 0; z-index: 1020;
}
.content { padding: 1.25rem; }

@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-area { margin-left: 0; }
}

/* ---------- KPI cards ---------- */
.kpi-card {
  border: none; border-radius: 12px; background: #fff;
  box-shadow: 0 2px 12px rgba(13,59,102,.06);
  height: 100%;
}
.kpi-card .kpi-label { color: #6a7b8c; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.kpi-card .kpi-value { font-size: 1.7rem; font-weight: 700; color: var(--hansa-primary); }
.kpi-card .kpi-icon {
  width: 44px; height: 44px; border-radius: 10px; display: inline-flex;
  align-items: center; justify-content: center; font-size: 1.25rem; color:#fff;
}
.kpi-primary { background: var(--hansa-primary); }
.kpi-accent  { background: var(--hansa-accent); }
.kpi-success { background: var(--hansa-success); }
.kpi-warning { background: var(--hansa-warning); }
.kpi-danger  { background: var(--hansa-danger); }

.card { border: none; border-radius: 12px; box-shadow: 0 2px 12px rgba(13,59,102,.06); }
.card-header { background: #fff; border-bottom: 1px solid #eef2f7; font-weight: 600; border-radius: 12px 12px 0 0 !important; }

.chart-box { position: relative; height: 300px; }
.chart-box.tall { height: 360px; }
.chart-box.short { height: 240px; }

.filter-bar { background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(13,59,102,.06); }
.filter-bar label { font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; color: #6a7b8c; margin-bottom: .15rem; }
.filter-bar .form-select-sm, .filter-bar .form-control-sm { font-size: .85rem; }
.filter-chevron { transition: transform .2s ease; font-size: .8rem; }
#filter-toggle[aria-expanded="true"] .filter-chevron { transform: rotate(180deg); }

.badge-nps-promoter { background: var(--hansa-success); }
.badge-nps-passive  { background: var(--hansa-warning); color:#4a3c0a; }
.badge-nps-detractor{ background: var(--hansa-danger); }

.table-sm td, .table-sm th { padding: .45rem .6rem; }
.progress { background: #e9eef5; }

.text-primary-hansa { color: var(--hansa-primary) !important; }
.bg-primary-hansa { background: var(--hansa-primary) !important; }
.btn-primary-hansa { background: var(--hansa-primary); border-color: var(--hansa-primary); color:#fff; }
.btn-primary-hansa:hover { background: var(--hansa-primary-dark); border-color: var(--hansa-primary-dark); color:#fff; }

footer.app-footer { padding: 1rem 1.25rem; color:#8194a6; font-size:.82rem; text-align:center; }